U.S. Air Force Staff. Sgt. Denisse Hernandez, 730th Air Mobility Squadron crew chief, tries to close a escape hatch with her partner, Japan Air Self-Defense Force Staff. Sgt. Akiko Miyamae, Central Air Defense Force Support Flight Squadron aircraft maintenance, during the Bilateral Exchange Program at Yokota Air Base, Japan, June 8, 2017. The program allowed American and Japanese Forces the opportunity to work together and learn from each other's daily operations and build a stronger relationship. (U.S. Air Force photo by Machiko Arita)